Приди informal imperative < прийти (к + dat.) = to come (to someone)
ко see Приди; note suffix -o before consonant cluster мн-
мне dat. of я; dat. < see Приди
ночной порой instr. phrase = at night time
путник nom. masc. sing. noun = traveler
молодой nom. sing. masc. adj. = young; modifies путник
под под + instr. = under, beneath
водой instr. sing. of fem. noun вода = water; instr. < под
прохлада nom. sing. of fem. noun = coolness, cool
покой nom. sing. masc. noun = quiet, serenity, peace
отдохнёшь 2nd sing. pres. of pf отдохнуть = to rest
сладко adv. < adj. сладкий = sweet
заснёшь 2nd sing. pres. of pf. заснуть = to fall asleep
Качаясь present active verbal adv. < качаться = to rock
зыбких prep. pl. of adj, зыбкий = unsteady, shaky; modifies водах
водах prep. pl.; see водой, line 2
неги gen. sing. of fem. noun нега = languor
полна fem. sing. short form of adj. полный (+ gen.) = full (of); modifies Ты on preceding line and identifies addressee as female
дремлет 3rd sing. pres. of дремать = to doze, to slumber; subj. is волна
волна nom. fem. sing. noun = wave; subj. of дремлет
пустынных prep. pl. of adj. пустынный = desolate, wild; modifies берегах
берегах prep. pl. of masc. noun берег = shore
зыби dat. sing. of fem. noun зыбь = ripple; dat. < По
морской dat. sing. fem. of adj. морской = of the sea, maritime; modifies зыби
Cама fem. sing. of сам = herself; modifies царевна
за за + instr. = behind, after
тобой instr. of ты; instr. < за
морская nom. sing. fem. adj.; modifies царевна; see морской
плывёт 3rd sing. pres. of плыть = to swim; subj. is царевна
манит 3rd sing. pres. of манить = to lure, to beckon
поёт 3rd sing. pres. of петь = to sing
себе dat. of reflexive pronoun себя = oneself; = "to herself"; dat. < see зовёт
зовёт sing. pres. of звать (acc. + к + dat.) = to call, to summon (someone to someone); subj. is Она (refers to царевна)